1 files changed, 60 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/SPARC/64atomics.ll b/llvm/test/CodeGen/SPARC/64atomics.ll
new file mode 100644
index 00000000000..89175b6242e
--- /dev/null
+++ b/llvm/test/CodeGen/SPARC/64atomics.ll
@@ -0,0 +1,60 @@
+; RUN: llc < %s -march=sparcv9 -verify-machineinstrs | FileCheck %s
+
+; CHECK-LABEL: test_atomic_i64
+; CHECK:       ldx [%o0]
+; CHECK:       membar
+; CHECK:       ldx [%o1]
+; CHECK:       membar
+; CHECK:       membar
+; CHECK:       stx {{.+}}, [%o2]
+define i64 @test_atomic_i64(i64* %ptr1, i64* %ptr2, i64* %ptr3) {
+entry:
+  %0 = load atomic i64, i64* %ptr1 acquire, align 8
+  %1 = load atomic i64, i64* %ptr2 acquire, align 8
+  %2 = add i64 %0, %1
+  store atomic i64 %2, i64* %ptr3 release, align 8
+  ret i64 %2
+}
+
+; CHECK-LABEL: test_cmpxchg_i64
+; CHECK:       mov 123, [[R:%[gilo][0-7]]]
+; CHECK:       casx [%o1], %o0, [[R]]
+
+define i64 @test_cmpxchg_i64(i64 %a, i64* %ptr) {
+entry:
+  %pair = cmpxchg i64* %ptr, i64 %a, i64 123 monotonic monotonic
+  %b = extractvalue { i64, i1 } %pair, 0
+  ret i64 %b
+}
+
+; CHECK-LABEL: test_swap_i64
+; CHECK:       casx [%o1],
+
+define i64 @test_swap_i64(i64 %a, i64* %ptr) {
+entry:
+  %b = atomicrmw xchg i64* %ptr, i64 42 monotonic
+  ret i64 %b
+}
+
+; CHECK-LABEL: test_load_sub_64
+; CHECK: membar
+; CHECK: sub
+; CHECK: casx [%o0]
+; CHECK: membar
+define zeroext i64 @test_load_sub_64(i64* %p, i64 zeroext %v) {
+entry:
+  %0 = atomicrmw sub i64* %p, i64 %v seq_cst
+  ret i64 %0
+}
+
+; CHECK-LABEL: test_load_max_64
+; CHECK: membar
+; CHECK: cmp
+; CHECK: movg %xcc
+; CHECK: casx [%o0]
+; CHECK: membar
+define zeroext i64 @test_load_max_64(i64* %p, i64 zeroext %v) {
+entry:
+  %0 = atomicrmw max i64* %p, i64 %v seq_cst
+  ret i64 %0
+}